void CreateNewItem()
{
View dialogView = LayoutInflater.Inflate(Resource.Layout.ItemCreate, null);
// Retrieve the components
EditText name = dialogView.FindViewById <EditText>(Resource.Id.editText1);
DatePicker datePicker = dialogView.FindViewById <DatePicker>(Resource.Id.datePicker1);
TimePicker timePicker = dialogView.FindViewById <TimePicker>(Resource.Id.timePicker1);
// Build the dialog
Android.Support.V7.App.AlertDialog.Builder builder = new Android.Support.V7.App.AlertDialog.Builder(this);
builder.SetPositiveButton("Create", (sender, e) => CommitCreation(name.Text, datePicker, timePicker));
builder.SetNegativeButton("Cancel", (sender, e) => { });
Android.Support.V7.App.AlertDialog dialog = builder.Create();
dialog.SetView(dialogView);
dialog.Show();
}